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Finding the Fourth Proportional to 304,735.50, 420,395.45 and 197,340.12

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Solution

The fourth proportional to 304,735.50, 420,395.45 and 197,340.12 is: 272,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,735.50 : 420,395.45 = 197,340.12 : x
  2. Step 2: Convert to fraction form
    304,735.50/420,395.45 = 197,340.12/x
  3. Step 3: Cross multiply
    304,735.50x = 420,395.45 × 197,340.12
  4. Step 4: Simplify right side
    304,735.50x = 82,960,887,563.75
  5. Step 5: Solve for x
    x = 82,960,887,563.75/304,735.50
  6. Step 6: Final answer
    x = 272,239.00

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